diff --git a/Elsa.sln b/Elsa.sln
index 03cd96ded..3f13af8e4 100644
--- a/Elsa.sln
+++ b/Elsa.sln
@@ -38,8 +38,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Elsa.Activities.UserTask",
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Elsa.Activities.Dropbox", "src\activities\Elsa.Activities.Dropbox\Elsa.Activities.Dropbox.csproj", "{5A3C9D59-21FE-4BE3-A00A-FF3F198EEC97}"
EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "scripting", "scripting", "{5E230C5F-7A64-4E95-A790-DF40CC66DA31}"
-EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Elsa.Scripting.Liquid", "src\scripting\Elsa.Scripting.Liquid\Elsa.Scripting.Liquid.csproj", "{9A2D1E3E-328F-4E02-86F8-84974925C1E3}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Elsa", "src\core\Elsa\Elsa.csproj", "{ED2A4FE5-821B-46F7-B72F-E66DE0D66C93}"
diff --git a/src/activities/Elsa.Activities.Dropbox/Elsa.Activities.Dropbox.csproj b/src/activities/Elsa.Activities.Dropbox/Elsa.Activities.Dropbox.csproj
index 2ab411e09..0b20b70fc 100644
--- a/src/activities/Elsa.Activities.Dropbox/Elsa.Activities.Dropbox.csproj
+++ b/src/activities/Elsa.Activities.Dropbox/Elsa.Activities.Dropbox.csproj
@@ -32,7 +32,7 @@
-
+
diff --git a/src/activities/Elsa.Activities.Email/Elsa.Activities.Email.csproj b/src/activities/Elsa.Activities.Email/Elsa.Activities.Email.csproj
index 7f8a7d4e9..292e8033d 100644
--- a/src/activities/Elsa.Activities.Email/Elsa.Activities.Email.csproj
+++ b/src/activities/Elsa.Activities.Email/Elsa.Activities.Email.csproj
@@ -31,7 +31,7 @@
-
+
diff --git a/src/activities/Elsa.Activities.Http/Activities/Redirect/RedirectBuilderExtensions.cs b/src/activities/Elsa.Activities.Http/Activities/Redirect/RedirectBuilderExtensions.cs
index a77b34a2c..7719c2aea 100644
--- a/src/activities/Elsa.Activities.Http/Activities/Redirect/RedirectBuilderExtensions.cs
+++ b/src/activities/Elsa.Activities.Http/Activities/Redirect/RedirectBuilderExtensions.cs
@@ -1,6 +1,5 @@
using System;
using Elsa.Builders;
-using Microsoft.AspNetCore.Http;
// ReSharper disable once CheckNamespace
namespace Elsa.Activities.Http
diff --git a/src/activities/Elsa.Activities.Http/Activities/Redirect/RedirectExtensions.cs b/src/activities/Elsa.Activities.Http/Activities/Redirect/RedirectExtensions.cs
index d3aa31033..817c349e7 100644
--- a/src/activities/Elsa.Activities.Http/Activities/Redirect/RedirectExtensions.cs
+++ b/src/activities/Elsa.Activities.Http/Activities/Redirect/RedirectExtensions.cs
@@ -2,7 +2,6 @@ using System;
using Elsa.Builders;
using Elsa.Expressions;
using Elsa.Services.Models;
-using Microsoft.AspNetCore.Http;
// ReSharper disable once CheckNamespace
namespace Elsa.Activities.Http
diff --git a/src/activities/Elsa.Activities.Http/Elsa.Activities.Http.csproj b/src/activities/Elsa.Activities.Http/Elsa.Activities.Http.csproj
index a4035040d..cfcb422e2 100644
--- a/src/activities/Elsa.Activities.Http/Elsa.Activities.Http.csproj
+++ b/src/activities/Elsa.Activities.Http/Elsa.Activities.Http.csproj
@@ -36,11 +36,11 @@
-
+
-
+
\ No newline at end of file
diff --git a/src/activities/Elsa.Activities.MassTransit/Elsa.Activities.MassTransit.csproj b/src/activities/Elsa.Activities.MassTransit/Elsa.Activities.MassTransit.csproj
index c3ee9b39a..ace324207 100644
--- a/src/activities/Elsa.Activities.MassTransit/Elsa.Activities.MassTransit.csproj
+++ b/src/activities/Elsa.Activities.MassTransit/Elsa.Activities.MassTransit.csproj
@@ -29,10 +29,10 @@
-
-
-
-
+
+
+
+
diff --git a/src/activities/Elsa.Activities.Timers/Elsa.Activities.Timers.csproj b/src/activities/Elsa.Activities.Timers/Elsa.Activities.Timers.csproj
index 5c196154c..61126d4af 100644
--- a/src/activities/Elsa.Activities.Timers/Elsa.Activities.Timers.csproj
+++ b/src/activities/Elsa.Activities.Timers/Elsa.Activities.Timers.csproj
@@ -34,7 +34,7 @@
-
+
diff --git a/src/core/Elsa.Abstractions/Builders/IOutcomeBuilder.cs b/src/core/Elsa.Abstractions/Builders/IOutcomeBuilder.cs
index cdc28154c..4932277e5 100644
--- a/src/core/Elsa.Abstractions/Builders/IOutcomeBuilder.cs
+++ b/src/core/Elsa.Abstractions/Builders/IOutcomeBuilder.cs
@@ -1,5 +1,3 @@
-using System;
-using Elsa.Services;
using Elsa.Services.Models;
namespace Elsa.Builders
diff --git a/src/core/Elsa.Abstractions/Elsa.Abstractions.csproj b/src/core/Elsa.Abstractions/Elsa.Abstractions.csproj
index f0d06d3b7..ad32d920b 100644
--- a/src/core/Elsa.Abstractions/Elsa.Abstractions.csproj
+++ b/src/core/Elsa.Abstractions/Elsa.Abstractions.csproj
@@ -27,16 +27,16 @@
-
-
-
-
+
+
+
+
-
+
-
+
diff --git a/src/core/Elsa.Abstractions/Expressions/IExpressionEvaluator.cs b/src/core/Elsa.Abstractions/Expressions/IExpressionEvaluator.cs
index e4ca26aba..b2277c9fd 100644
--- a/src/core/Elsa.Abstractions/Expressions/IExpressionEvaluator.cs
+++ b/src/core/Elsa.Abstractions/Expressions/IExpressionEvaluator.cs
@@ -7,7 +7,7 @@ namespace Elsa.Expressions
{
public interface IExpressionEvaluator
{
- Task